Trap energy level of P3HT: PCBM-71 bulk heterojunction solar cells with PICTS (photo-induced current transient spectroscopy)
We have studied the energy level of the trap states in P3HT: PCBM-71 bulk heterojunction solar cells by using the PICTS (photo-induced current transient spectroscopy) method. The trap energy level is extracted to be 73.1 meV, which is larger than that of bulk P3HT (similar to 54 meV). This difference, we believe, is that fullerene anion of PCBM plays as a deep potential well for holes. (C) 2010 Elsevier B. V. All rights reserved.
- Publisher
- ELSEVIER SCIENCE BV
- Issue Date
- 2010-05
- Language
- English
- Article Type
- Article; Proceedings Paper
- Keywords
POLYMER PHOTOVOLTAIC CELLS; DEEP LEVELS; FILMS
- Citation
CURRENT APPLIED PHYSICS, v.10, no.3, pp.525 - 527
- ISSN
- 1567-1739
- Appears in Collection
- PH-Journal Papers(저널논문)
- Files in This Item
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